[metadata] Fix leaks when handling a few attributes (#16675)

[mono-project.git] / mcs / tests / gtest-620.cs

interface I<T>
{
}

class A<T>
{
        public virtual T M<U> (U u) where U : T
        {
                return u;
        }
}

class B<W> : A<I<W>>, I<string>
{
        public override I<W> M<U> (U u)
        {
                return u;
        }
}

class Bug
{
        public static void Main ()
        {
                var b = new B<string> ();
                b.M (b);
        }
}